Stonington is located in Illinois. Stonington, Illinois has a population of 900. Stonington is more family-centric than the surrounding county with 38.96% of the households containing married families with children. The county average for households married with children is 26.18%.
The median household income in Stonington, Illinois is $60,938. The median household income for the surrounding county is $50,668 compared to the national median of $57,652. The median age of people living in Stonington is 36.7 years.
The average high temperature in July is 86.4 degrees, with an average low temperature in January of 18 degrees. The average rainfall is approximately 39.3 inches per year, with 15.9 inches of snow per year.
